261944384

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2113}}^1$

素因数の和:2287

約数の個数: 56

約数和(自身を含む): 563803800

約数和(自身を除く): 301859416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 149, 208, 298, 416, 596, 832, 1192, 1937, 2113, 2384, 3874, 4226, 4768, 7748, 8452, 9536, 15496, 16904, 27469, 30992, 33808, 54938, 61984, 67616, 109876, 123968, 135232, 219752, 314837, 439504, 629674, 879008, 1259348, 1758016, 2518696, 4092881, 5037392, 8185762, 10074784, 16371524, 20149568, 32743048, 65486096, 130972192, 261944384]

約数ペア:

[(1, 261944384), (2, 130972192), (4, 65486096), (8, 32743048), (13, 20149568), (16, 16371524), (26, 10074784), (32, 8185762), (52, 5037392), (64, 4092881), (104, 2518696), (149, 1758016), (208, 1259348), (298, 879008), (416, 629674), (596, 439504), (832, 314837), (1192, 219752), (1937, 135232), (2113, 123968), (2384, 109876), (3874, 67616), (4226, 61984), (4768, 54938), (7748, 33808), (8452, 30992), (9536, 27469), (15496, 16904)]